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After 28 days, even with proper refrigeration, both the preservative effectiveness and the peptide stability begin declining
For individuals with a B12 deficiency, injections may help restore energy levels and improve overall well-being, which could indirectly support more active behavior and possibly weight management
Lyophilised powder: freeze at -20 C or below immediately on receipt - stable for years Reconstituted solution: refrigerate at 28 C , use within 30 days , never freeze (ice crystals damage the peptide) Topical serums / creams: cool, dark storage
Follow the product label and any lot-specific documentation